<template>
  <div class="login-container">
    <el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="login-form" auto-complete="on" label-position="left">

      <div class="title-container">
        <h3 class="title">后台管理系统</h3>
      </div>

      <el-form-item prop="username">
        <span class="svg-container">
          <svg-icon icon-class="user" />
        </span>
        <el-input
          ref="username"
          v-model="loginForm.adminUserName"
          placeholder="Username"
          name="username"
          type="text"
          tabindex="1"
          auto-complete="on"
        />
      </el-form-item>

      <el-form-item prop="password">
        <span class="svg-container">
          <svg-icon icon-class="password" />
        </span>
        <el-input
          :key="passwordType"
          ref="password"
          v-model="loginForm.password"
          :type="passwordType"
          placeholder="Password"
          name="password"
          tabindex="2"
          auto-complete="on"
          @keyup.enter.native="handleLogin"
        />
        <span class="show-pwd" @click="showPwd">
          <svg-icon :icon-class="passwordType === 'password' ? 'eye' : 'eye-open'" />
        </span>
      </el-form-item>

      <el-form-item>
        <template>
          <div class="turnstile-container">
            <div ref="turnstile"></div>
          </div>
        </template>
      </el-form-item>
<!--      <el-form-item>
        <div ref="turnstile"></div>
      </el-form-item>-->



<!--      <el-form-item>
        <vue-turnstile sitekey="0x4AAAAAAAkgXcgKb0pEWftVBMdHj5b-pcY" @success="onTurnstileSuccess"/>
      </el-form-item>-->
      <el-button :loading="loading" type="primary" style="width:100%;margin-bottom:30px;" @click.native.prevent="handleLogin">登陆</el-button>

<!--      <div class="tips">
        <span style="margin-right:20px;">username: admin</span>
        <span> password: any</span>
      </div>-->

    </el-form>
  </div>
</template>

<script>
import { validUsername } from '@/utils/validate'
import axios from "axios";

export default {
  name: 'Login',
  data() {
    return {
      turnstileToken: '',
      loginForm: {
        adminUserName: '',
        password: ''
      },
      loginRules: {
        adminUserName: [{ required: true, message:'请输入用户名' ,trigger: 'blur' }],
        password: [{ required: true, message:'请输入密码', trigger: 'blur', }]
      },
      loading: false,
      passwordType: 'password',
      redirect: undefined
    }
  },
  watch: {
    $route: {
      handler: function(route) {
        this.redirect = route.query && route.query.redirect
      },
      immediate: true
    }
  },
  methods: {
    initTurnstile() {
      // 初始化 Cloudflare Turnstile
      window.turnstile.render(this.$refs.turnstile, {
        sitekey: '0x4AAAAAAAkgXR4VsIjc89VM',
        //sitekey: '0x4AAAAAAAkgXcgKb0pEWftVBMdHj5b-pcY',
        callback: this.onTurnstileSuccess
      });
    },
    onTurnstileSuccess(token) {
      this.turnstileToken = token;
      console.log('Turnstile Token:', token);
    },

    showPwd() {
      if (this.passwordType === 'password') {
        this.passwordType = ''
      } else {
        this.passwordType = 'password'
      }
      this.$nextTick(() => {
        this.$refs.password.focus()
      })
    },
    handleLogin() {

      if (!this.turnstileToken) {
        this.$message.error('请完成验证码验证');
        return;
      }

      this.$refs.loginForm.validate(valid => {
        if (valid) {
          this.loading = true
          this.$store.dispatch('user/login', this.loginForm)
            .then((res) => {
              this.loading = false
              if(res.status){
                this.$message.success(res.msg)
                this.$router.push({ path: this.redirect || '/' })
              }
          }).catch((err) => {
            this.loading = false
            //this.$message.error(err)
          })
        } else {
          return false
        }
      })
    }
  },
  mounted() {
    // 在组件挂载后初始化 Turnstile
    this.$nextTick(() => {
      this.initTurnstile();
    });
  },
}
</script>

<style lang="scss">
/* 修复input 背景不协调 和光标变色 */
/* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */

$bg:#283443;
$light_gray:#fff;
$cursor: #fff;

@supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
  .login-container .el-input input {
    color: $cursor;
  }
}

@media (max-width: 768px) {
  .turnstile-container {
    width: 90%; /* 在移动端更窄一些 */
  }
}

.turnstile-container {
  width: 100%;
  max-width: 400px; /* 限制最大宽度，保持布局美观 */
  margin: 0 auto;  /* 居中对齐 */
}

/* reset element-ui css */
.login-container {
  .el-input {
    display: inline-block;
    height: 47px;
    width: 85%;

    input {
      background: transparent;
      border: 0px;
      -webkit-appearance: none;
      border-radius: 0px;
      padding: 12px 5px 12px 15px;
      color: $light_gray;
      height: 47px;
      caret-color: $cursor;

      &:-webkit-autofill {
        box-shadow: 0 0 0px 1000px $bg inset !important;
        -webkit-text-fill-color: $cursor !important;
      }
    }
  }

  .el-form-item {
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(0, 0, 0, 0.1);
    border-radius: 5px;
    color: #454545;
  }
}
</style>

<style lang="scss" scoped>
$bg:#2d3a4b;
$dark_gray:#889aa4;
$light_gray:#eee;

.login-container {
  min-height: 100%;
  width: 100%;
  background-color: $bg;
  overflow: hidden;

  .login-form {
    position: relative;
    width: 520px;
    max-width: 100%;
    padding: 160px 35px 0;
    margin: 0 auto;
    overflow: hidden;
  }

  .tips {
    font-size: 14px;
    color: #fff;
    margin-bottom: 10px;

    span {
      &:first-of-type {
        margin-right: 16px;
      }
    }
  }

  .svg-container {
    padding: 6px 5px 6px 15px;
    color: $dark_gray;
    vertical-align: middle;
    width: 30px;
    display: inline-block;
  }

  .title-container {
    position: relative;

    .title {
      font-size: 26px;
      color: $light_gray;
      margin: 0px auto 40px auto;
      text-align: center;
      font-weight: bold;
    }
  }

  .show-pwd {
    position: absolute;
    right: 10px;
    top: 7px;
    font-size: 16px;
    color: $dark_gray;
    cursor: pointer;
    user-select: none;
  }
}
</style>
